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Almandine : Fe2+3Al2[SiO4]3 | |
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Alger mine #3, Grafton, Grafton Co., New Hampshire, USA Crystal diameter is about 4 mm. P. Cristofono specimen and photo, field-collected 1978. |
| © 2004 Peter Cristofono | Photo ID: 17566 View Count: 420 |
Almandine : Fe2+3Al2[SiO4]3 | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA A large trapezohedral crystal of deep red almandine garnet measuring 35mm across. The piece was found loose in a small pool of water at the bottom of the quarry. Self collected 2006. Overall specimen size 5X3X2.5cm. Photographed under artificial light. |
| © AK 2008 | Photo ID: 144675 View Count: 135 |
Almandine : Fe2+3Al2[SiO4]3 | |
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Alger mine #3, Grafton, Grafton Co., New Hampshire, USA 5 mm red almandine crystal from a pegmatite. P. Cristofono specimen and photo, field collected in 1978. |
| © 2007 Peter Cristofono | Photo ID: 136885 View Count: 115 |
Almandine : Fe2+3Al2[SiO4]3 | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Red-brown almandine crystal sections in biotite. FOV = 3.5 x 5 cm. |
| © Van King | Photo ID: 232380 View Count: 33 |
Apatite-(CaF) : Ca5[F|(PO4)3] | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Purple apatite crystals, rare at this locality. View is about 2 cm across. Dana Jewell specimen, field collected 1970. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 194799 View Count: 59 |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA This is a 1x2 inch specimen from the Ruggles Mine. In the Charles Creekmur collection. |
| © Charles Creekmur | Photo ID: 18735 View Count: 396 |
Autunite : Ca(UO2)2(PO4)2·11H2O | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA This autunite specimen measures 5x3x3cm. and is from Ruggles Mine in Grafton New Hampshire. Collected by Matthew lambert in 2008. |
| © 2009 Matthew Lambert | Photo ID: 245732 View Count: 19 |
Beryl : Be3Al2Si6O18 | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA A large partial beryl crystal measuring 6cm across. The crystal exhibits a nice pale green color and extremely shiny faces. Self collected 2009. Overall specimen size 6x6x6cm. Photographed under sunlight. |
| © AK2009 | Photo ID: 240440 View Count: 41 |
Biotite | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Dark greenish brown biotite cleavages forming an interleaved matrix. FOV = 4 x 5 cm. |
| © Van King | Photo ID: 232381 View Count: 17 |
Gummite, Uraninite : UO2, Soddyite : (UO2)2SiO4·2H2O, β-Uranophane : Ca(UO2)2[HSiO4]2 · 5H2O | |
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Ruggles mine, Grafton, Grafton Co., New Hampshire, USA Dark patches of primary uraninite surrounded by secondary alteration products including bright orange "gummite" and a yellow mixture consisting largely of soddyite and β-uranophane. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 165542 View Count: 133 |
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